Table 1 Range of GRACE-DSI and CCDI for drought characterization based on the study by Satish Kumar et al.21.
From: Drought characterization over Indian sub-continent using GRACE-based indices
Drought category | GRACE-DSI/CCDI |
|---|---|
W4: exceptionally wet | Two or greater |
W3: extremely wet | 1.6–1.99 |
W2: severely wet | 1.3–1.59 |
W1: moderately wet | 0.8–1.29 |
W0: abnormally wet | 0.5–0.79 |
N: near normal | 0.49 to − 0.49 |
D0: abnormally dry | − 0.5 to − 0.79 |
D1: moderately dry | − 0.8 to − 1.29 |
D2: severely dry | − 1.3 to − 1.59 |
D3: extremely dry | − 1.6 to − 1.99 |
D4: exceptionally dry | − 2 or less |
